A Comparison of Different Techniques for Induction Motor Rotor Fault Diagnosis

The problem of failures in induction motors is a large concern due to its significant influence over industrial production. Therefore a large number of detection techniques were presented to avoid this problem. This paper presents the comparison results of induction motor rotor fault detection using...

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Bibliographic Details
Published in:Journal of physics. Conference series 2012-01, Vol.364 (1), p.12066-11
Main Authors: Alwodai, A, Gu, F, Ball, A D
Format: Article
Language:English
Subjects:
Amplitudes
Angular speed
Fault detection
Fault diagnosis
Faults
Induction motors
Motor rotors
Motors
Physics
Representations
Rotors
Signature analysis
Vibration
Vibration analysis
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Summary:The problem of failures in induction motors is a large concern due to its significant influence over industrial production. Therefore a large number of detection techniques were presented to avoid this problem. This paper presents the comparison results of induction motor rotor fault detection using three methods: motor current signature analysis (MCSA), surface vibration (SV), and instantaneous angular speed (IAS). These three measurements were performed under different loads with three rotor conditions: baseline, one rotor bar broken and two rotor bar broken. The faults can be detected and diagnosed based on the amplitude difference of the characteristic frequency components of power spectrum. However IAS may be the best technique because it gives the clearest spectrum representation in which the largest amplitude change is observed due to the faults.
ISSN:1742-6596
1742-6588
1742-6596
DOI:10.1088/1742-6596/364/1/012066